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Finding the Fourth Proportional to 606.18, 835.82 and 495.30

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Solution

The fourth proportional to 606.18, 835.82 and 495.30 is: 682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.18 : 835.82 = 495.30 : x
  2. Step 2: Convert to fraction form
    606.18/835.82 = 495.30/x
  3. Step 3: Cross multiply
    606.18x = 835.82 × 495.30
  4. Step 4: Simplify right side
    606.18x = 413,981.65
  5. Step 5: Solve for x
    x = 413,981.65/606.18
  6. Step 6: Final answer
    x = 682.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.